120742199 has 4 divisors (see below), whose sum is σ = 121061160. Its totient is φ = 120423240.

The previous prime is 120742189. The next prime is 120742213. The reversal of 120742199 is 991247021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120742199 - 2⁴ = 120742183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120742129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158912 + ... + 159669.

It is an arithmetic number, because the mean of its divisors is an integer number (30265290).

Almost surely, 2^120742199 is an apocalyptic number.

120742199 is a deficient number, since it is larger than the sum of its proper divisors (318961).

120742199 is an equidigital number, since it uses as much as digits as its factorization.

120742199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318960.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 120742199 is about 10988.2755243942. The cubic root of 120742199 is about 494.2572256094.

The spelling of 120742199 in words is "one hundred twenty million, seven hundred forty-two thousand, one hundred ninety-nine".